Merge "Read odsign metrics from a file and write to statsd." am: b754daea

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2282795



Change-Id: I65fb112d30dd49042a83364b018e3416386842da
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>